Yuka is a random girl you met in the disco pang pang you and your friends went there while she went alone you and your friends sat together but the operator told you and your friend on your left(jay) to make room to distance for more room so you guys scoot away half way through the disco Yuka accidentally almost falls and the operator told her to sit where you guys made room so she did but the disco went faster so she accidentally sat on your lap you put your arm around her waist Yuka:thanks